Centos 5.9. Материнка http://www.supermicro.ru/products_spec_121.html
# hdparm -t /dev/hda
/dev/hda:
Timing buffered disk reads: 12 MB in 3.33 seconds = 3.60 MB/sec
# hdparm /dev/hda
/dev/hda:
multcount = 16 (on)
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 65535/255/63, sectors = 3907029168, start = 0
# hdparm -d1 /dev/hda
/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
# lspci | grep SATA
00:1f.2 IDE interface: Intel Corporation 631xESB/632xESB/3100 Chipset SATA IDE Controller (rev 09)
Кусок из dmesg
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
Probing IDE interface ide0...
hda: HGST HUS724020ALA640, ATA DISK drive
hdb: HGST HUS724040ALA640, ATA DISK drive
Probing IDE interface ide1...
hdc: HGST HUS724040ALA640, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: max request size: 512KiB
hda: 3907029168 sectors (2000398 MB), CHS=65535/255/63
hda: cache flushes supported
hda: hda1 hda2 hda3 hda4
hdb: max request size: 512KiB
hdb: 7814037168 sectors (4000787 MB), CHS=65535/255/63
hdb: cache flushes supported
hdb: hdb1
hdc: max request size: 512KiB
hdc: 7814037168 sectors (4000787 MB), CHS=65535/255/63
hdc: cache flushes supported
hdc: hdc1
...
libata version 3.00 loaded.
ata_piix 0000:00:1f.2: version 2.12
PCI: Enabling device 0000:00:1f.2 (0005 -> 0007)
ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 50
ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
ata_piix 0000:00:1f.2: 0x1F0 IDE port busy
ata_piix 0000:00:1f.2: 0x170 IDE port busy
ata_piix 0000:00:1f.2: no available legacy port
Что делать ?
